1. The Cauvery river originates from which hills? 2. Which is the only major river that flows entirely within India from west to east? 3. The Tapti river flows into which gulf? 4. Which river is called the 'Sorrow of Bengal'? 5. The river known as the 'Sorrow of Bihar' is? 6. Which river forms the boundary between Madhya Pradesh and Uttar Pradesh for a long distance? 7. Which river is famous for the Sundarbans Delta? 8. Which is the largest peninsular river in India? 9. The Godavari river originates from which place? 10. The Brahmaputra river enters India in which state?